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World Health Assembly, 7 ,  [Proceedings and reports relating to international quarantine: supplement to official records no. 55: seventh World Health Assembly: annual report of the Director-General on International Sanitary Regulations: first report of the Committee on International Quarantine: relevant proceedings of the seventh World Health Assembly]

World Health Assembly, 7 ,  [First report of the Committee on International Quarantine: additional information concerning the Delineation of Yellow-Fever endemic zones and receptive areas: document A7/P&B/4 Add.1]

World Health Assembly, 7 ,  [Proceedings and reports relating to international quarantine: supplement to official records no. 55: seventh World Health Assembly: annual report of the Director-General on International Sanitary Regulations: first report of the Committee on International Quarantine: relevant proceedings of the seventh World Health Assembly]